<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'
import { ref ,reactive} from 'vue'
import { ElMessage ,ElMessageBox} from 'element-plus'
import { 
    articleCategoryService ,addCategoryService,updateCategoryService,deletedeleteCategoryService
} from "@/api/article.js"
const categorys = ref([])

//封装一个获取文章分类列表的方法
const getCategoryList = async () => {
    //没有携带请求头token，所以报401
    let result = await articleCategoryService();
    categorys.value = result.data;
}

getCategoryList();//调用

const dialogVisible = ref(false);//控制对话框是否显示
const categoryModel =ref ({//添加分类
    categoryName:"",
    categoryAlias:""
});

const rules = reactive({
  categoryName: [
    { required: true, message: '请输入您的分类名称', trigger: 'blur' },
  ],
  categoryAlias: [
    { required: true, message: '请输入您的分类别名', trigger: 'blur' },
  ]
})

//添加分类的方法
const addCategory =async ()=>{
    //调用添加分类的api
    let result = await addCategoryService(categoryModel.value);
    ElMessage.success(result.msg ? result.msg:"添加成功")
    dialogVisible.value =false;//隐藏对话框
    getCategoryList();//获取分类列表的数据
}
const dialogTitle =ref("添加分类");

//修改分类的方法
const updateCategoryShow =(row) =>{
    dialogVisible.value = true ; 
    dialogTitle.value='修改分类';
    // console.log(row);
    //分类数据赋值
    categoryModel.value.categoryName =row.categoryName;
    categoryModel.value.categoryAlias=row.categoryAlias;
    //补一个id给分类数据
    categoryModel.value.id=row.id;
}

//修改分类接口的调用
const updateCategory =async ()=>{
    let result =await updateCategoryService(categoryModel.value);
    ElMessage.success(result.msg? result.msg:"修改成功");
    dialogVisible.value =false;//隐藏对话框
    getCategoryList();//获取分类列表的数据
}


const clearData =()=>{
    categoryModel.value.categoryName="";
    categoryModel.value.categoryAlias="";
}
//添加分类对话框的提示
const addCategoryShow=()=>{
    dialogVisible.value=true;
    dialogTitle.value='添加分类';
    clearData();
}

//删除分类的接口
const deleteCategory = (row) => {
    ElMessageBox.confirm(
        '你确认删除该分类信息吗？',
        '温馨提示',
        {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning',
        }
    )
        .then(async() => {
            //用户点击了确认
            //调用删除分类接口
            let result =await deletedeleteCategoryService(row.id);
            ElMessage({
                type: 'success',
                message: '成功删除分类',
            })
            getCategoryList();
        })
        .catch(() => {
            //用户点击了取消
            ElMessage({
                type: 'info',
                message: '取消删除',
            })
        })
}


</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary" @click="addCategoryShow">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categorys" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="updateCategoryShow(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>

        <!-- 添加分类弹窗 -->
        <el-dialog v-model="dialogVisible" :title="dialogTitle" width="30%">
            <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
                <el-form-item label="分类名称" prop="categoryName">
                    <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
                </el-form-item>
                <el-form-item label="分类别名" prop="categoryAlias">
                    <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
                </el-form-item>
            </el-form>
            <template #footer>
                <span class="dialog-footer">
                    <el-button @click="dialogVisible = false">取消</el-button>
                    <el-button type="primary" 
                        @click="dialogTitle=='添加分类'? addCategory() :updateCategory()
                    "
                    > 确认 </el-button>
                </span>
            </template>
        </el-dialog>
    </el-card>
</template>

<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}
</style>